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(No Model.) 4 SheetsSheet 1.

O. E. HOUGHTON.

NAIL MACHINE.

Patented Dec. 6, 1892.

TME mums mans co.. PNOTp-LITH (N0 Model.) 4 eeeeeeeeeeeee 2.

No. 487,567 Patented Dec. 6,1892.

(No Model.) 4 Sheets-Sheet 3.

O. E. HOUGHTON.

NAIL MACHINE. No. 487,567. Patented Dec. 6, 1892.

(No Model.) 4 SheetsSheet 4.

O. E. HOUGHTON.

NAIL MACHINE.

No. 487,567. Patented Dec. 6, 1892,

@% Zw Y5 UNITED STATES PATENT OFFICE.

CHARLES E. l-IOUGl-ITON, OF NORTIIUMBERLAND, PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO HORACE RUFUS JOHNSON, OF SAME PLACE.

NAIL-MACHINE.

SPECIFICATION forming part of Letters Patent No. 487,567, dated December 6, 1892.

Application filed April 4, 1892. Serial No. 427,672. (No model.)

To all whom it may concern.-

Be it known that 1, CHARLES E. HOUGHTON, a citizen of the United States of America, re-

- siding in Northumberland, in the county of Northumberland and State of Pennsylvania, have invented certain new and useful 1mprovements in Nail-Machines, of which the following is a specification.

My invention has relation to nail-machines for cutting pointed nails from a rolled plate;

and the object is to provide improved means for moving the point-cutting dies laterally in their seats on the gripping-lever and in the knife-bed of the machine.

My present invention utilizes the arm or lever of the cutting-jaw of the machine for the means for imparting movement to the intermediate mechanism engaging with the respective point-cutting dies to move them laterally in their seats.

In the accompanying drawings, Figure I is a plan view of a nail-machine embodying my invention, shown partly in section, and some of the parts removed and others broken away to show the connections to the dies. Fig. II is a side view of the machine, certain parts being removed and the cutting-jaw lever in its downstroke being shown in dotted lines in contact with the tappet, which moves the rock-shaft. Fig. III is a sectional view on the line III IV of Fig. I through the gripping-lever and the bed-piece, showing the rod-holes through the parts and the seats for the operating-arms for the point-cutting dies. Fig. IV is a similar view showing the rods and arms in place in the parts. Fig. V is a view of the rock-shaft with arms to be connected with the rods and arms for laterally moving the point-cutting dies and the tappet-bar. Fig. VI is a perspective of one of the rods and arms for moving the point-cutting dies. Fig. VII is a view of the tappet. Fig. VIII is a face end view of the knife-bed on the line VIII VIII of Fig. I, showing the arrangement of the bed-knife, bed-gripping die, and bed point-cutting die. Fig. IX is a plan view of the dies and liner in relative arrangement and a side view of the body piece or liner of the point-cutting die. Figs. X and XI are views showing a modified form of lever for laterally moving the point-cutting dies. Fig. XII is a detail of the modified form of lever for moving the point-cutting dies laterally. Fig. XIII is a detail of the point-cutting die. Fig. XIV is a perspective of the gripping-lever, showing the connection of the mechanism which operates the point-cutting moving die, certain portions being broken away.

A designates the bed of the machine, having posts a a at the rear, in which is journaled the driving-shaft B, carrying the crankhead b, with pin 0, to which is connected one end of the pitman (I, having the other end connected to the arm or lever e of the cuttingjaw. (Not shown.) C designates the grip ping-lever, formed with a proper seatf to receive the moving point-cutting die and moving gripping-die. These parts may be of the usual construction, and, being well known in construction and arrangement in machines of this character, some of them are only partially shown, the illustrations being only of those parts that are essential to a clearunderstanding of my invention. Under the frame or bed of the machine are hangers 1 2, (see Fig. IL) in which is mounted a rock-shaft 3, having arms 4 5, to which are jointed or connected rods 6 7, having their inner ends connected to vertically-arranged rods 8 9, located in vertical holes 8* 9 formed, respectively, in the knife-bed and gripping-1ever 01": the machine, as shown in'Figs. III and IV of the drawings. On the lower ends of the respective rods are lugs 10, to which the inner ends of the connecting-rods 6 7 are attached, and on the upper ends of the-said rods are lugs 11, arranged in reverse direction to the lugs 10, in each of which is formed a seat 12 to take and hold the respective point-cutting dies, as indicated in Figs. IV and VIII of the drawings.

On the end of the rock-shaft 3 is a cross head or piece 13, in one arm of which is adjustably fixed a tappet-bar 14 and to the other end is connected a pullrod 15, having its lower end connected to a spring 16, which serves to restore or return the rock-shaft to its normal position.

On the side of the machine is fnlcrumed a tappet 17, resting with its free end on the upper end of the tappet-bar 14. and directly in the way of the stroke of thearm or lever eof the cutting jaw, so that in the downward stroke of this lever the tappet is engaged and moved downward, forcing the tappet-bar downward and rocking the rock-shaft 3, which movementturns the rods 8 9 and throws the point-cutting dies outward with a positive movement and thus shearing the points.

The operative arrangement of the mechanism eventuating in moving the point-cutting dies is such that the movement takes place at the time the dies are in contact and forming the point. After the grip on the point is released and the gripping-dies recede the action of the spring 16 turns the rock-shaft and moves the dies through the connections therewith to their normal positions. It will be understood that the respective point-cutting dies are arranged and secured in their seats so as to have a limited lateral play therein.

In Fig. IX of the drawingsisillustrated the gripping-die 19, a liner 20, and the point-cutting die 21, the last consisting of a body-piece 22, having an overhanging top piece 23, under which the point-cutting die-piece is arranged, as seen in dotted lines, being jointed to the body-piece by a pin or bolt 21.

In this application I make no claim to a body-piece and point-cutting die thus constructed, arranged, and united, as the coustruction is claimed in one of my former patents; but in the present instance I make this extension or overhanging piece perform anew and useful function not performed in my earlier invention, the front end 25 of the extension 23 serving as the abutting surface to protect thecuttiug-edgesof the point-cuttingdies. By

this construction and combination of the parts of the point-cutting dies the grinding is greatly simplified, since there is no abutting surface on the point-cutting die, which may be of the form seen in Fig. XIII of the drawings. This arrangement also admits of cutting-points on large nails with comparativelysmall point-cuttingdies. The face end of the extension 23 stands flush with the limit of movement of the opposing dies.

In Figs. X and XI a modified form of lever is shown for operating the point-cutting dies laterally. In these figures a lever18 is fulcrumed on the face of the knife-bed and a similar one 18 on the end face of the gripping-lever, the upper ends of these levers being formed forked shape to take the dies and the lower ends adapted to be connected to the rods leading to the rock-shaft.

The operation is as follows: When the nail is cut and carried down by the moving knife, then engaged and held by the nipper (not shown) and gripped by the dies, it is held long enough for the heading-lever with the header to act. At the instant the head is completed the arm of the cutting-jaw engages the tappet, and the tappet-bar is pushed down,

turning the rock-shaft, and through the connections imparting an outward lateral movement to the point-cutting dies. After this movement has been effected and the grippingdies moved back, the spring moves the mechanism and returns the dies to normal position. The gripping and direct movement of the point'cutting dies is completed before any outward movement is imparted to them, so that the fin or metal on the point, which remains uncut by the direct action of the pointcutting dies, is pulled or torn off by theiroutward movement.

What I claim as my invention, and desire to secure by Letters Patent, is

1. The combination, with a'point-cutting die having a lateral play in its seat and the lever-arm of the cutting-jaw, of a rock-shaft mounted on the frame of the machine, provided with a tappet-bar arranged to be depressed by the stroke of the lever-arm of the cutting-j aw, a lever to move the point-cutting die laterally in its seat, and connecting-rods between the said last-mentioned lever and the rock-shaft, as specified.

2. The combination, with the knife-bed of a nail-machine, the gripping-lever of the machine, said knife-bed and gripping-lever being provided with vertical holes,and the pointcutting dies, of lever-bars arranged in said holes, provided with a lug at the upper ends to engage and take the point-cutting dies, a rock-shaft mounted on the frame of the machine, and connecting-rods between the rockshaft and the vertical lever-bars and the lever-arm of the cutting-jaw, substantially as described.

3. The combination of the rock shaft mounted on the frame of the machine and formed with a cross-head provided with a tappet-bar, a lever on the machine arranged to engagev the point-cutting die, a point-cutting die having a lateral play in its seat, and connectingrods between the point-cutting-die lever and the rock-shaft, as set forth.

4. The combination of the rock-shaft mounted on the frame of the machine, formed with a cross-head provided with a tappet-bar, the cutting-jaw lever to engage the tappet-bar, a spring to return the rock-shaft to normal position, levers to engage the point-cutting dies, point-cutting dies having a lateral play in their seats, and connecting-rods between the point-cutting-die levers and the rock-shaft.

In witness whereof I have hereto set my hand in the presence of two attesting wit- HGSSQS.

CHARLES E. HOUGHTON. Attest':

J. H. ROCKEFELLER, REUBEN JOHNSON. 

